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- 5" high
- 9" wide
- Waterproof and Breathable
- Fully Seam Taped
- Anti-Fungal Coating on Floor
- Five Stake Loops
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From the manufacturer
The Outdoor Research Helium Bivy
Our Lightest Waterproof Bivy.
Outdoor Research Helium Bivy
Our Lightest Waterproof Bivy
Outdoor Research is dedicated to inspiring the journey ahead with award-winning technical apparel and accessories. Based in Seattle since 1981, we are committed to improving our customer’s experience through innovative materials, purpose-driven features, and versatile products that are backed by our Infinite Guarantee. We rely on the real-world testing of our athlete ambassadors, mountain guides, and local adventurers involved in our core sports: alpinism, rock and ice climbing, hiking, backpacking, paddling, trail running, and backcountry skiing and snowboarding. We’re here for the fun, adventure, excitement, and For the Journey Ahead. Get to know us at www.outdoorresearch.com or follow along on the journey via Facebook, Instagram, Twitter, and YouTube.
- Sleeping Pad Straps; Five Stake Loops; One Guy Line Loop; Internal Mesh Pocket
- Delrin Single-Pole System
- Waterproof; Breathable; Ultra Lightweight; Fully Seam-Taped; Durable No-See-Um Mesh; Hydroseal Floor
FEATURES of the Outdoor Research Helium Bivy Waterproof Breathable Lightweight Fully Seam Taped Anti-Fungal Coating on Floor Five Stake Loops; One Guy-Line Loop High-Volume Toe-End Removable No-See-Um Netting at Opening Single Shock-Corded Overhead Delrin Pole Sized to Fit Thicker Mats Sleeping Pad Straps Small Internal Mesh Pocket
- Shipping Weight: 1 pounds (View shipping rates and policies)
- ASIN: B00I59TY2I
- Date first available at Amazon.com: January 21, 2014
- Average Customer Review:
Top customer reviews
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I used it with a 20degree bag. First the good news. It is very lightweight and packs very small. There is no lighter way to hike.
During the nights without rain, I just used the screen and was able to see the stars at night. There was a meteor shower one night and I was the lookout for the meteors while my hiking companions were in their tent with no view of the sky. I had a little condensation in the bivy near my feet but was otherwise dry.
But, on the second day we got nailed with a big storm. It rained and blew all night long. The good news, there were no direct leaks or drips. But the bad news, there was general "seepage" through the wet fabric. (similar to a tent without a rain fly). It never dripped but where the bivy touched by sleeping bag, my bag got damp. But even on the rainy night, the clouds broke for 15 minutes and I was able to zip it open and see one of the best star shows I have seen in the mountains.
My conclusion: It is the lightest weight way to backpack. I never felt claustrophobic, in fact I really liked being able to see the stars at night. However, you will get damp. Next time I may try putting a waterproof layer over it during a storm.
This is by far one of the best bivies for the price, I bought it after having the Advanced Bivy, also by outdoor research. What I noticed immediately is the size difference. The helium is remarkably lighter, and compacts to half the size. Not to mention the price is also half as much. The helium bivy is made of a much thinner, and more flimsy material I must add. This means a ground cloth is a must have, but as long as you take care of the thing it isn't issue. This new material is extremely breathable, more breathable than the mighty goretex bivies(at least for me). The hoop that goes across your neck area does an excellent job of keeping the material off your face, and is extremely easy to put in and take out, another advantage over the Advanced Bivy. Sleeping in the bivy is very comfortable- as long as you aren't claustrophobic. I am no small guy, I'm 6'6" with a light frame, and this bivy fits great, if you're shorter you could even fit some equipment in with you. And on top of all these features, you stay nice and dry. Besides a little condensation, but that comes with any bivy. Is it worth the money? Absolutely. I would buy again in a heart beat.
This is sold as a 3-season bivy, but I'll be using this throughout the winter in the NE mountains (generally in snow trenches or snow caves), so I'll post any additional findings after the season ends.
Most recent customer reviews
I nearly died on a night below 10 and heavy rain. The advertising that claims this is waterproof is a BLATANT LIE.Read more
Took it on an overnight backpacking trip.Read more